Method of handling postal objects using dynamic overflow

1) Method for sorting postal objets in a sorting machine comprising sorting outlets with movable trays for the storage of the postal objects, in which

• respective logical destinations are associated to the sorting outlets and,
• some sorting outlets of the machine are reserved, called reserved
• sorting outlets, without logical destination association, and in which in case of the detection of an overflow of a tray in a sorting outlet, the postal objects intended to this overflowing sorting outlet are directed to a reserved sorting outlet and the logical destination of the overflowing sorting outlet is associated to this reserved sorting outlet, wherein the method comprises the steps consisting in:
• a) extracting said reserved sorting outlet in a logical waiting list of reserved sorting outlets;
• b) associating to the empty tray of the reserved sorting outlet an index representative of a chronological order association number of the association of a tray to a logical destination;
• c) inserting the overflowing sorting outlet in said waiting list of reserved sorting outlets, loading an empty tray in the overflowing sorting outlet in the place of the full tray and evacuating the full tray of the sorting machine.